https://eso.org/public/images/eso1615d/?lang
The ultracool dwarf star TRAPPIST-1 in the constellation of Aquarius | ESO
ultracool dwarftrappist 1star
https://www.digitaljournal.com/tech-science/unusual-ultracool-dwarf-binary-stars-detected/article
Unusual ultracool dwarf binary stars detected - Digital Journal
Feb 22, 2023 - The stars will either have migrated toward each other as they evolved, or they could have come together after the ejection of a third.
ultracool dwarfbinary starsunusualdetecteddigital
https://iac.es/es/ciencia-y-tecnologia/publicaciones/gaia-ultracool-dwarf-sample-iv-gtcosiris-optical-spectra-gaia-late-m-and-l-dwarfs
The Gaia ultracool dwarf sample-IV. GTC/OSIRIS optical spectra of Gaia late-M and L dwarfs |...
As part of our comprehensive, ongoing characterization of the low-mass end of the main sequence in the Solar neighbourhood, we used the OSIRIS instrument at...
https://www.astronomy.com/science/three-potentially-habitable-worlds-found-around-nearby-ultracool-dwarf-star/
Three potentially habitable worlds found around nearby ultracool dwarf star | Astronomy.com
May 18, 2023 - Astronomers have discovered three planets orbiting an ultracool dwarf star just 40 light-years from Earth.
https://www.aanda.org/articles/aa/olm/2013/08/aa21871-13/aa21871-13.html
Astrometric orbit of a low-mass companion to an ultracool dwarf | Astronomy & Astrophysics (A&A)